Introduction To PostgreSQL
Category : Database » PostgreSQL
Introduction to PostgreSQL. Barry Fishman. May 4, 2006. 1. PostgreSQL Overview. PostgreSQL is an object-relational database management system (ORDBMS) based on .
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1 PostgreSQL Overview PostgreSQL is an object-relational database management system (ORDBMS) based on the POSTGRESsystem developed at the University of California at Berkeley Computer Science Department. It is nowmaintained by the PostgreSQL Global Development Group. PostgreSQL is: • Like Linux, maintained and distributed by a group of interested programmers rather than a commercial entity. • Licenced under a BSD like licence making it available for modification and use without royalties for individual and commercial projects. • The result of over 15 years of development, and has a strong reputation for reliability, data integrity, and correctness. It has the following features: • Complex Queries • Foreign Keys • Views • Cursors • Constraints • Rules • Triggers • Transactional Integrity • Multi-version Concurrency Control PostgreSQL is designed to allow users to extend its features by adding new: • Data Types • Functions • Operators • Aggregate Functions • Index Methods • Procedural Languages
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